move backend to subfolder

TanksServer/GameLogic/GameTickWorker.cs

@@ -1,58 +0,0 @@
-using System.Diagnostics;
-using Microsoft.Extensions.Hosting;
-
-namespace TanksServer.GameLogic;
-
-internal sealed class GameTickWorker(
-    IEnumerable<ITickStep> steps,
-    IHostApplicationLifetime lifetime,
-    ILogger<GameTickWorker> logger
-) : IHostedService, IDisposable
-{
-    private readonly CancellationTokenSource _cancellation = new();
-    private readonly List<ITickStep> _steps = steps.ToList();
-    private Task? _run;
-
-    public void Dispose()
-    {
-        _cancellation.Dispose();
-        _run?.Dispose();
-    }
-
-    public Task StartAsync(CancellationToken cancellationToken)
-    {
-        _run = RunAsync();
-        return Task.CompletedTask;
-    }
-
-    public async Task StopAsync(CancellationToken cancellationToken)
-    {
-        await _cancellation.CancelAsync();
-        if (_run != null) await _run;
-    }
-
-    private async Task RunAsync()
-    {
-        try
-        {
-            var sw = new Stopwatch();
-            while (!_cancellation.IsCancellationRequested)
-            {
-                logger.LogTrace("since last frame: {}", sw.Elapsed);
-
-                var delta = sw.Elapsed;
-                sw.Restart();
-
-                foreach (var step in _steps)
-                    await step.TickAsync(delta);
-
-                await Task.Delay(1);
-            }
-        }
-        catch (Exception ex)
-        {
-            logger.LogError(ex, "game tick service crashed");
-            lifetime.StopApplication();
-        }
-    }
-}